[Music] Hello everyone. We are all legacies of our past. People from around the world look, think, and behave differently because of their different ethnic and cultural pasts. And the same applies to communities of plants and animals from different parts of the world which can look and behave very differently even when they occur in similar environments because of their different evolutionary pasts.And this is shown by the world's most important group of animals. And that's right, I am talking about ants. A ...